Make IDL Callbacks non-refcounted by default

Source/modules/mediastream/RTCStatsRequestImpl.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
 
 #include "config.h"
 
 #include "modules/mediastream/RTCStatsRequestImpl.h"
 
 #include "modules/mediastream/MediaStreamTrack.h"
 #include "modules/mediastream/RTCStatsCallback.h"
 
 namespace WebCore {
 
-PassRefPtr<RTCStatsRequestImpl> RTCStatsRequestImpl::create(ExecutionContext* context, PassRefPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
+PassRefPtr<RTCStatsRequestImpl> RTCStatsRequestImpl::create(ExecutionContext* context, PassOwnPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
 {
     RefPtr<RTCStatsRequestImpl> request = adoptRef(new RTCStatsRequestImpl(context, callback, selector));
     request->suspendIfNeeded();
     return request.release();
 }
 
-RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, PassRefPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
+RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, PassOwnPtr<RTCStatsCallback> callback, PassRefPtr<MediaStreamTrack> selector)
     : ActiveDOMObject(context)
     , m_successCallback(callback)
     , m_component(selector ? selector->component() : 0)
 {
 }
 
 RTCStatsRequestImpl::~RTCStatsRequestImpl()
 {
 }
 
@@ skipping 24 matching lines @@
 {
     clear();
 }
 
 void RTCStatsRequestImpl::clear()
 {
     m_successCallback.clear();
 }
 
 } // namespace WebCore